10 CFR § 20.2005
Disposal of specific wastes
June 9, 2020
(a) A licensee may dispose of the following licensed material as if it were not radioactive:
(1) 0.05 microcurie (1.85 kBq), or less, of hydrogen-3 or carbon-14 per gram of medium used for liquid scintillation counting; and
(2) 0.05 microcurie (1.85 kBq), or less, of hydrogen-3 or carbon-14 per gram of animal tissue, averaged over the weight of the entire animal.
(b) A licensee may not dispose of tissue under paragraph (a)(2) of this section in a manner that would permit its use either as food for humans or as animal feed.
(c) The licensee shall maintain records in accordance with §20.2108.